Home / 28,892,618.06-39,871,803.31-15,839,596.92

Finding the Fourth Proportional to 28,892,618.06, 39,871,803.31 and 15,839,596.92

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Solution

The fourth proportional to 28,892,618.06, 39,871,803.31 and 15,839,596.92 is: 21,858,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892,618.06 : 39,871,803.31 = 15,839,596.92 : x
  2. Step 2: Convert to fraction form
    28,892,618.06/39,871,803.31 = 15,839,596.92/x
  3. Step 3: Cross multiply
    28,892,618.06x = 39,871,803.31 × 15,839,596.92
  4. Step 4: Simplify right side
    28,892,618.06x = 631,553,292,864,322.75
  5. Step 5: Solve for x
    x = 631,553,292,864,322.75/28,892,618.06
  6. Step 6: Final answer
    x = 21,858,638.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.